#!/usr/bin/python3
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import atheris

import httpcore
from httpcore._backends.mock import MockStream


def TestOneInput(data):
  fdp = atheris.FuzzedDataProvider(data)
  stream = MockStream(fdp.ConsumeBytes(2048))
  origin = httpcore.Origin(fdp.ConsumeBytes(24), fdp.ConsumeBytes(24), 443)
  try:
    with httpcore.HTTP11Connection(origin=origin,
                                   stream=stream,
                                   keepalive_expiry=5.0) as conn:
      with conn.stream("GET", "http://127.0.0.1") as response:
        response.status
  except RuntimeError:
    pass


def main():
  atheris.instrument_all()
  atheris.Setup(sys.argv, TestOneInput)
  atheris.Fuzz()


if __name__ == "__main__":
  main()
